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PID Basics

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PID Basics

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04 Sep 2012 (Updated )

PID Basics is a nice way to obtain a quick intuition and understanding of PID control.

PID Basics

PID Basics is a nice way to obtain a quick intuition and understanding of PID control.

The aim of this interactive tool is to make you familiar with PID control basics. PID Basics shows the response of a closed-loop system consisting of a PID controller and a process model.
You can choose from different controllers in their standard form (P, I, PI, PD and PID). All controller parameters can be adjusted as desired and you can observe how the responses depend on these controller parameters.
The process model can also be written in some different ways:
 • Laplace Transform
 • Zero-Pole Gain-Model
 • Transfer Function
Several parameters can be modified interactively in the process and controller output plots by dragging the highlighted points in the graphs, including:
 • Setpoint Magnitude
 • Load Disturbance Magnitude
 • Load Disturbance Time
 • Noise Variance
 • Noise Time
Parameters that characterize robustness and performance are also presented. Unstable closed-loop systems are quickly identified by the tool.
This tool is based on the interactive learning modules project by Jose Luis Guzman, Karl Johan Åström, Sebastian Dormido, Tore Hägglund, Manuel Berenguel, and Yves Piguet.

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